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Converting DataFrame to a list of dictionaries in Pandas

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Miscellaneous Cookbook
schedule Mar 9, 2022
Last updated
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To convert a DataFrame to a list of dictionaries, use the DataFrame's to_dict(orient="records") method.

Example

Consider the following DataFrame:

df = pd.DataFrame({"A":[2,3],"B":[4,5]}, index=["a","b"])
df
A B
a 2 4
b 3 5

To convert df to a list of dictionaries:

df.to_dict(orient="records")
[{'A': 2, 'B': 4}, {'A': 3, 'B': 5}]

Here, the returned value is a list of dictionaries with the following key-value pairs:

  • key: column label

  • value: value of the column in n-th row.

Basically each item in the list represents a row of the DataFrame.

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Published by Isshin Inada
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